Traceback (most recent call last):
File "ace_create_db_and_add_articles.py", line 32, in <module>
missing_sources = add_articles(
File "/home/james/ACE/ace/ingest.py", line 67, in add_articles
article = source.parse_article(html, pmid, metadata_dir=metadata_dir, **kwargs)
File "/home/james/ACE/ace/sources.py", line 671, in parse_article
t = self.parse_table(table_html)
File "/home/james/ACE/ace/sources.py", line 698, in parse_table
return super(WileySource, self).parse_table(table)
File "/home/james/ACE/ace/sources.py", line 219, in parse_table
n_cols = max([n_cols_in_row(
ValueError: max() arg is an empty sequence